Next month thousands will gather in Wales to shut down the UK's open cast coal mine at Ffosyfran, whose 3,500 acres abut both Merthyr Tydfil, one of Britain's most deprived communities, and the glorious Brecon Beacons national park. It will be one of dozens of coordinated actions across the UK, and around the world, to bring the age of coal to the rapid end it so richly deserves.